protium
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protium
- /ˈpɹəʊ.tiəm/ UK
- /ˈpɹoʊ.tiəm/ US
Rhymes with -əʊtiəm
Where it comes from
From proto- + -ium. From Ancient Greek πρῶτος (prôtos, “first”).
noun protiums
-
The lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.
So far there are no differences among the protiums extracted at various labs, except for concentration levels.
Similar: mul:H-1, mul:¹H, hydrogen, hydrogen-1, hydrogen 1, light hydrogen, normal hydrogen
- An atom of this isotope. This radioactive decay leaves behind a protium as well.
Translations
Talk about this word "protium." Wiktionary, via Micwyn, micwyn.com/word/protium. Accessed 6 Nov. 2026. protium. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/protium "protium." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/protium.Cite this
@misc{protium_2026,
title = {protium},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/protium},
urldate = {2026-11-06}
}
